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How accurate are drugstore pregnancy tests?

Q:
How reliable are the over-the-counter pregnancy tests? I can’t confirm whether I’m pregnant with them. The first one was positive and the one I took the next day was negative. Is there any way to reliably determine if you are pregnant, or must you get a blood and urine test from a doctor?

A:
Home pregnancy tests can be 99 percent accurate if you wait long enough to take them. Waiting a week after missing a period should be enough time to ensure an accurate result. A negative result may mean that you took the test too early, you didn’t follow the instructions – or that you’re not pregnant.

In your case I would get a blood pregnancy test. Your inconsistent findings may be attributable to your own error in taking the test, an inaccurate test kit or an early miscarriage. In questionable cases, a blood test can answer the question. These tests are accurate and can determine pregnancy status before a missed period.

Our parenting advice is given as suggestions only. We recommend you also consult your healthcare provider, and urge you to contact them immediately if your question is urgent or about a medical condition.